code: def test_constructor_na_dtype(self, dtype):
      with pytest.raises(ValueError, match="Cannot convert"):
          SparseArray([0, 1, np.nan], dtype=dtype)
  
imports: import numpy
  import pytest
  from pandas._libs.sparse import IntIndex
  import pandas
  from pandas import SparseDtype, isna
  import pandas._testing
  from pandas.core.arrays.sparse import SparseArray
label_desc: Use image node_id 7 for calling the TestConstructors obj's underlying member method code with example usage: obj.test_constructor_na_dtype(dtype) without return types